Jeannie Hur / Working_HRV

HRV -> Mood

Dependencies:   MAX30101 Hexi_KW40Z Hexi_OLED_SSD1351

8cee5929f4d8/main.cpp@3:0da9235c9069, 2019-03-16 (annotated)

Committer:
jeannie9809
Date:
Sat Mar 16 03:03:34 2019 +0000
Revision:
3:0da9235c9069
Parent:
2:3389bdfd9afa
Child:
4:94190624967a
stored into array

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jeannie9809 0:338c50c9c8cd 1 #include "mbed.h"
jeannie9809 0:338c50c9c8cd 2 #include "mbed_events.h"
jeannie9809 0:338c50c9c8cd 3 #include "MAX30101.h"
jeannie9809 0:338c50c9c8cd 4 #include "string.h"
jeannie9809 0:338c50c9c8cd 5 #include "Hexi_OLED_SSD1351.h"
jeannie9809 0:338c50c9c8cd 6 #include "Hexi_KW40Z.h"
jeannie9809 0:338c50c9c8cd 7 #include <math.h>
jeannie9809 0:338c50c9c8cd 8 #define FIFO_DATA_MAX 288
jeannie9809 0:338c50c9c8cd 9 void UpdateSensorData(void);
jeannie9809 0:338c50c9c8cd 10 void StartHaptic(void);
jeannie9809 0:338c50c9c8cd 11 void StopHaptic(void const *n);
jeannie9809 0:338c50c9c8cd 12 void txTask(void);
jeannie9809 0:338c50c9c8cd 13
jeannie9809 0:338c50c9c8cd 14 DigitalOut pwr1v8(PTA29);
jeannie9809 0:338c50c9c8cd 15 DigitalOut pwr3v3b(PTC13);
jeannie9809 0:338c50c9c8cd 16 DigitalOut pwr15v(PTB12);
jeannie9809 0:338c50c9c8cd 17 I2C i2c0(PTB1, PTB0);
jeannie9809 0:338c50c9c8cd 18 InterruptIn maximInterrupt(PTB18);
jeannie9809 0:338c50c9c8cd 19 Serial pc(USBTX, USBRX);
jeannie9809 0:338c50c9c8cd 20 SSD1351 oled(PTB22,PTB21,PTC13,PTB20,PTE6, PTD15);
jeannie9809 0:338c50c9c8cd 21 KW40Z kw40z_device(PTE24, PTE25);
jeannie9809 0:338c50c9c8cd 22 DigitalOut haptic(PTB9);
jeannie9809 0:338c50c9c8cd 23 EventQueue evqueue(32 * EVENTS_EVENT_SIZE);
jeannie9809 0:338c50c9c8cd 24 Thread t;
jeannie9809 0:338c50c9c8cd 25 /* Define timer for haptic feedback */
jeannie9809 0:338c50c9c8cd 26 RtosTimer hapticTimer(StopHaptic, osTimerOnce);
jeannie9809 0:338c50c9c8cd 27
jeannie9809 3:0da9235c9069 28 /*Create a Thread to handle sending BLE Sensor Data */
jeannie9809 0:338c50c9c8cd 29 Thread txThread;
jeannie9809 0:338c50c9c8cd 30 MAX30101 hr(i2c0);
jeannie9809 1:eabf219849ab 31 int ppg_single_sample;
jeannie9809 0:338c50c9c8cd 32 int mask_ppg = 0;
jeannie9809 0:338c50c9c8cd 33 uint32_t count = 0;
jeannie9809 0:338c50c9c8cd 34 uint32_t num;
jeannie9809 0:338c50c9c8cd 35 uint8_t testsignal = 60;
jeannie9809 0:338c50c9c8cd 36
jeannie9809 2:3389bdfd9afa 37 // I added this
jeannie9809 0:338c50c9c8cd 38 const int num_samples = 2129;
jeannie9809 0:338c50c9c8cd 39 int index = 0;
jeannie9809 0:338c50c9c8cd 40 int ppg[num_samples];
jeannie9809 1:eabf219849ab 41 int SDNN_n, SDNN;
jeannie9809 0:338c50c9c8cd 42 bool first_sample_set = true;
jeannie9809 1:eabf219849ab 43 double arousal, valence, HF_LF, HF_LF_n;
jeannie9809 0:338c50c9c8cd 44
jeannie9809 3:0da9235c9069 45 void StartHaptic(void)
jeannie9809 3:0da9235c9069 46 {
jeannie9809 0:338c50c9c8cd 47 hapticTimer.start(50);
jeannie9809 0:338c50c9c8cd 48 haptic = 1;
jeannie9809 0:338c50c9c8cd 49 }
jeannie9809 0:338c50c9c8cd 50 void ButtonRight(void)
jeannie9809 0:338c50c9c8cd 51 {
jeannie9809 0:338c50c9c8cd 52 StartHaptic();
jeannie9809 0:338c50c9c8cd 53 kw40z_device.ToggleAdvertisementMode();
jeannie9809 0:338c50c9c8cd 54 }
jeannie9809 0:338c50c9c8cd 55
jeannie9809 0:338c50c9c8cd 56 void ButtonLeft(void)
jeannie9809 0:338c50c9c8cd 57 {
jeannie9809 0:338c50c9c8cd 58 StartHaptic();
jeannie9809 0:338c50c9c8cd 59 kw40z_device.ToggleAdvertisementMode();
jeannie9809 0:338c50c9c8cd 60 }
jeannie9809 0:338c50c9c8cd 61
jeannie9809 3:0da9235c9069 62 void StopHaptic(void const *n)
jeannie9809 3:0da9235c9069 63 {
jeannie9809 0:338c50c9c8cd 64 haptic = 0;
jeannie9809 0:338c50c9c8cd 65 hapticTimer.stop();
jeannie9809 0:338c50c9c8cd 66 }
jeannie9809 3:0da9235c9069 67 void txTask(void)
jeannie9809 3:0da9235c9069 68 {
jeannie9809 3:0da9235c9069 69
jeannie9809 3:0da9235c9069 70 while (true) {
jeannie9809 0:338c50c9c8cd 71 UpdateSensorData();
jeannie9809 3:0da9235c9069 72
jeannie9809 0:338c50c9c8cd 73 /*Notify Hexiwear App that it is running Sensor Tag mode*/
jeannie9809 0:338c50c9c8cd 74 kw40z_device.SendSetApplicationMode(GUI_CURRENT_APP_SENSOR_TAG);
jeannie9809 0:338c50c9c8cd 75 //send heartrate
jeannie9809 3:0da9235c9069 76 kw40z_device.SendHeartRate(testsignal);
jeannie9809 0:338c50c9c8cd 77 /*The following is sending dummy data over BLE. Replace with real data*/
jeannie9809 3:0da9235c9069 78
jeannie9809 3:0da9235c9069 79 /*Send Battery Level for 20%
jeannie9809 0:338c50c9c8cd 80 kw40z_device.SendBatteryLevel(battery);
jeannie9809 3:0da9235c9069 81
jeannie9809 3:0da9235c9069 82 Send Ambient Light Level at 50%
jeannie9809 0:338c50c9c8cd 83 kw40z_device.SendAmbientLight(light);*/
jeannie9809 3:0da9235c9069 84
jeannie9809 0:338c50c9c8cd 85 /*Send Humidity at 90% */
jeannie9809 0:338c50c9c8cd 86 //kw40z_device.SendHumidity(humidity);
jeannie9809 3:0da9235c9069 87
jeannie9809 3:0da9235c9069 88 /*Send Temperature at 25 degrees Celsius
jeannie9809 0:338c50c9c8cd 89 kw40z_device.SendTemperature(temperature);
jeannie9809 0:338c50c9c8cd 90
jeannie9809 3:0da9235c9069 91 /*Send Pressure at 100kPA */
jeannie9809 0:338c50c9c8cd 92 //kw40z_device.SendPressure(pressure);
jeannie9809 3:0da9235c9069 93
jeannie9809 3:0da9235c9069 94 /*Send Mag,Accel,Gyro Data.
jeannie9809 0:338c50c9c8cd 95 kw40z_device.SendGyro(x,y,z);
jeannie9809 0:338c50c9c8cd 96 kw40z_device.SendAccel(z,x,y);
jeannie9809 0:338c50c9c8cd 97 kw40z_device.SendMag(y,z,x);*/
jeannie9809 0:338c50c9c8cd 98
jeannie9809 3:0da9235c9069 99 Thread::wait(1000);
jeannie9809 0:338c50c9c8cd 100 }
jeannie9809 0:338c50c9c8cd 101 }
jeannie9809 0:338c50c9c8cd 102 void UpdateSensorData(void)
jeannie9809 3:0da9235c9069 103 {
jeannie9809 3:0da9235c9069 104 testsignal+=1;
jeannie9809 0:338c50c9c8cd 105 /*battery -= 5;
jeannie9809 0:338c50c9c8cd 106 if(battery < 5) battery = 100;
jeannie9809 3:0da9235c9069 107
jeannie9809 0:338c50c9c8cd 108 light += 20;
jeannie9809 0:338c50c9c8cd 109 if(light > 100) light = 0;
jeannie9809 3:0da9235c9069 110
jeannie9809 0:338c50c9c8cd 111 humidity += 500;
jeannie9809 0:338c50c9c8cd 112 if(humidity > 8000) humidity = 2000;
jeannie9809 3:0da9235c9069 113
jeannie9809 0:338c50c9c8cd 114 temperature -= 200;
jeannie9809 0:338c50c9c8cd 115 if(temperature < 200) temperature = 4200;
jeannie9809 3:0da9235c9069 116
jeannie9809 0:338c50c9c8cd 117 pressure += 300;
jeannie9809 0:338c50c9c8cd 118 if(pressure > 10300) pressure = 7500;
jeannie9809 3:0da9235c9069 119
jeannie9809 0:338c50c9c8cd 120 x += 1400;
jeannie9809 0:338c50c9c8cd 121 y -= 2300;
jeannie9809 0:338c50c9c8cd 122 z += 1700;*/
jeannie9809 0:338c50c9c8cd 123 }
jeannie9809 0:338c50c9c8cd 124
jeannie9809 3:0da9235c9069 125 void interruptHandlerQueued()
jeannie9809 3:0da9235c9069 126 {
jeannie9809 3:0da9235c9069 127
jeannie9809 3:0da9235c9069 128 for(int iter = 0; iter < num_samples; iter+=0) {
jeannie9809 0:338c50c9c8cd 129
jeannie9809 3:0da9235c9069 130 MAX30101::InterruptBitField_u interruptStatus;
jeannie9809 3:0da9235c9069 131 hr.getInterruptStatus(interruptStatus);
jeannie9809 3:0da9235c9069 132 // printf("Interrupt Status: 0x%02x\r\n", interruptStatus.all);
jeannie9809 3:0da9235c9069 133
jeannie9809 3:0da9235c9069 134 if (interruptStatus.bits.pwr_rdy == 0x1) {
jeannie9809 3:0da9235c9069 135 // printf("Powered on\r\n");
jeannie9809 3:0da9235c9069 136
jeannie9809 3:0da9235c9069 137 // Soft reset
jeannie9809 3:0da9235c9069 138 MAX30101::ModeConfiguration_u modeConf;
jeannie9809 3:0da9235c9069 139 modeConf.all = 0;
jeannie9809 3:0da9235c9069 140 modeConf.bits.reset = 1;
jeannie9809 3:0da9235c9069 141 hr.setModeConfiguration(modeConf);
jeannie9809 3:0da9235c9069 142 wait(0.01);
jeannie9809 3:0da9235c9069 143
jeannie9809 3:0da9235c9069 144 // Configure FIFO
jeannie9809 3:0da9235c9069 145 MAX30101::FIFO_Configuration_u fifoConf;
jeannie9809 3:0da9235c9069 146 hr.getFIFOConfiguration(fifoConf);
jeannie9809 0:338c50c9c8cd 147 // pc.printf("FIFO Configuration: 0x%02x\r\n", fifoConf.all);
jeannie9809 3:0da9235c9069 148
jeannie9809 3:0da9235c9069 149 // Set LED power
jeannie9809 3:0da9235c9069 150 hr.setLEDPulseAmplitude(MAX30101::LED1_PA, 0x0C);
jeannie9809 3:0da9235c9069 151 hr.setLEDPulseAmplitude(MAX30101::ProxModeLED_PA, 0x19);
jeannie9809 0:338c50c9c8cd 152 // pc.printf("LED set\r\n");
jeannie9809 3:0da9235c9069 153
jeannie9809 3:0da9235c9069 154 MAX30101::SpO2Configuration_u spo2Conf;
jeannie9809 3:0da9235c9069 155 hr.getSpO2Configuration(spo2Conf);
jeannie9809 3:0da9235c9069 156 spo2Conf.bits.led_pw = MAX30101::PW_1;
jeannie9809 3:0da9235c9069 157 spo2Conf.bits.spo2_sr = MAX30101::SR_100_Hz;
jeannie9809 3:0da9235c9069 158 hr.setSpO2Configuration(spo2Conf);
jeannie9809 3:0da9235c9069 159 hr.getSpO2Configuration(spo2Conf);
jeannie9809 0:338c50c9c8cd 160 // pc.printf("SpO2 Configuration: 0x%02x\r\n", spo2Conf.all);
jeannie9809 3:0da9235c9069 161
jeannie9809 3:0da9235c9069 162 // Proximity settings
jeannie9809 3:0da9235c9069 163 hr.setProxIntThreshold(0x14);
jeannie9809 3:0da9235c9069 164
jeannie9809 3:0da9235c9069 165 // Enable HR mode
jeannie9809 3:0da9235c9069 166 modeConf.all = 0;
jeannie9809 3:0da9235c9069 167 modeConf.bits.mode = MAX30101::HeartRateMode;
jeannie9809 3:0da9235c9069 168 hr.setModeConfiguration(modeConf);
jeannie9809 0:338c50c9c8cd 169 // printf("Mode set\r\n");
jeannie9809 3:0da9235c9069 170 }
jeannie9809 3:0da9235c9069 171
jeannie9809 3:0da9235c9069 172 if (interruptStatus.bits.prox_int == 0x1) {
jeannie9809 0:338c50c9c8cd 173 // printf("Proximity Triggered, entered HR Mode.");
jeannie9809 3:0da9235c9069 174 }
jeannie9809 3:0da9235c9069 175
jeannie9809 3:0da9235c9069 176 if (interruptStatus.bits.ppg_rdy == 0x1) {
jeannie9809 0:338c50c9c8cd 177 // printf("PPG Ready.\r\n");
jeannie9809 3:0da9235c9069 178 mask_ppg = 1;
jeannie9809 3:0da9235c9069 179 }
jeannie9809 3:0da9235c9069 180
jeannie9809 3:0da9235c9069 181 if (interruptStatus.bits.a_full == 0x1) {
jeannie9809 0:338c50c9c8cd 182 // printf("FIFO Almost Full.\r\n");
jeannie9809 3:0da9235c9069 183 uint8_t data[FIFO_DATA_MAX];
jeannie9809 3:0da9235c9069 184 uint16_t readBytes = 0;
jeannie9809 3:0da9235c9069 185
jeannie9809 3:0da9235c9069 186 hr.readFIFO(MAX30101::OneLedChannel, data, readBytes);
jeannie9809 3:0da9235c9069 187 printf("data length: %u \r\n",readBytes);
jeannie9809 3:0da9235c9069 188 //printf("data length: %u \r\n",data);
jeannie9809 3:0da9235c9069 189 for (uint16_t i = 0; i < readBytes; i += 3) {
jeannie9809 3:0da9235c9069 190 uint8_t sample[4] = {0};
jeannie9809 3:0da9235c9069 191 sample[0] = data[i + 2];
jeannie9809 3:0da9235c9069 192 sample[1] = data[i + 1];
jeannie9809 3:0da9235c9069 193 sample[2] = data[i];
jeannie9809 3:0da9235c9069 194
jeannie9809 3:0da9235c9069 195 num = *(uint32_t *) sample;
jeannie9809 3:0da9235c9069 196 if (num < 310000) {
jeannie9809 3:0da9235c9069 197 ppg_single_sample = 0;
jeannie9809 3:0da9235c9069 198 printf("keep closer to your hand \r\n");
jeannie9809 3:0da9235c9069 199 } else {
jeannie9809 3:0da9235c9069 200
jeannie9809 3:0da9235c9069 201 //ppg_single_sample = 65;
jeannie9809 3:0da9235c9069 202 ppg_single_sample = num;
jeannie9809 3:0da9235c9069 203 if(iter < num_samples)
jeannie9809 3:0da9235c9069 204 ppg[iter] = num;
jeannie9809 3:0da9235c9069 205 // printf("%d\r\n", ppg_single_sample); // I commented this out
jeannie9809 3:0da9235c9069 206 iter++;
jeannie9809 3:0da9235c9069 207 }
jeannie9809 3:0da9235c9069 208 //printf("%u\r\n", num);
jeannie9809 3:0da9235c9069 209
jeannie9809 3:0da9235c9069 210
jeannie9809 0:338c50c9c8cd 211 }
jeannie9809 0:338c50c9c8cd 212 }
jeannie9809 3:0da9235c9069 213
jeannie9809 3:0da9235c9069 214 interruptStatus.all = 0xFF;
jeannie9809 3:0da9235c9069 215 if (mask_ppg == 1) {
jeannie9809 3:0da9235c9069 216 interruptStatus.bits.ppg_rdy = 0;
jeannie9809 3:0da9235c9069 217 }
jeannie9809 3:0da9235c9069 218 hr.enableInterrupts(interruptStatus);
jeannie9809 0:338c50c9c8cd 219 }
jeannie9809 0:338c50c9c8cd 220 }
jeannie9809 0:338c50c9c8cd 221
jeannie9809 3:0da9235c9069 222 void interruptHandler()
jeannie9809 3:0da9235c9069 223 {
jeannie9809 0:338c50c9c8cd 224 evqueue.call(interruptHandlerQueued);
jeannie9809 3:0da9235c9069 225
jeannie9809 0:338c50c9c8cd 226 }
jeannie9809 0:338c50c9c8cd 227
jeannie9809 0:338c50c9c8cd 228 // main() runs in its own thread in the OS
jeannie9809 3:0da9235c9069 229 int main()
jeannie9809 3:0da9235c9069 230 {
jeannie9809 0:338c50c9c8cd 231 // printf("Hello world.\r\n");
jeannie9809 0:338c50c9c8cd 232
jeannie9809 0:338c50c9c8cd 233 t.start(callback(&evqueue, &EventQueue::dispatch_forever));
jeannie9809 0:338c50c9c8cd 234 kw40z_device.attach_buttonLeft(&ButtonLeft);
jeannie9809 0:338c50c9c8cd 235 kw40z_device.attach_buttonRight(&ButtonRight);
jeannie9809 3:0da9235c9069 236
jeannie9809 0:338c50c9c8cd 237 pwr1v8 = 1;
jeannie9809 0:338c50c9c8cd 238 pwr3v3b = 1;
jeannie9809 0:338c50c9c8cd 239 pwr15v = 0;
jeannie9809 3:0da9235c9069 240
jeannie9809 0:338c50c9c8cd 241 maximInterrupt.fall(interruptHandler);
jeannie9809 0:338c50c9c8cd 242 maximInterrupt.enable_irq();
jeannie9809 3:0da9235c9069 243
jeannie9809 0:338c50c9c8cd 244 MAX30101::InterruptBitField_u interruptStatus;
jeannie9809 0:338c50c9c8cd 245 interruptStatus.all = 0xFF;
jeannie9809 0:338c50c9c8cd 246 hr.enableInterrupts(interruptStatus);
jeannie9809 3:0da9235c9069 247
jeannie9809 3:0da9235c9069 248 char text[20]; /* Text Buffer */
jeannie9809 0:338c50c9c8cd 249 oled_text_properties_t textProperties = {0};
jeannie9809 3:0da9235c9069 250 oled.GetTextProperties(&textProperties);
jeannie9809 0:338c50c9c8cd 251 /* Turn on the backlight of the OLED Display */
jeannie9809 0:338c50c9c8cd 252 oled.DimScreenON();
jeannie9809 3:0da9235c9069 253
jeannie9809 3:0da9235c9069 254 /* Fills the screen with solid black */
jeannie9809 0:338c50c9c8cd 255 oled.FillScreen(COLOR_BLACK);
jeannie9809 1:eabf219849ab 256 strcpy((char *) text, "Raw PPG:");
jeannie9809 0:338c50c9c8cd 257 oled.Label((uint8_t *)text,7,0);
jeannie9809 3:0da9235c9069 258
jeannie9809 1:eabf219849ab 259 strcpy((char *) text, "SDNN; LF/HF:");
jeannie9809 0:338c50c9c8cd 260 oled.Label((uint8_t *)text,7,40);
jeannie9809 0:338c50c9c8cd 261 //dynamic text setup
jeannie9809 0:338c50c9c8cd 262 textProperties.fontColor = COLOR_WHITE;
jeannie9809 0:338c50c9c8cd 263 textProperties.alignParam = OLED_TEXT_ALIGN_RIGHT;
jeannie9809 3:0da9235c9069 264 oled.SetTextProperties(&textProperties);
jeannie9809 3:0da9235c9069 265
jeannie9809 0:338c50c9c8cd 266 txThread.start(txTask);
jeannie9809 0:338c50c9c8cd 267 while (true) {
jeannie9809 3:0da9235c9069 268
jeannie9809 0:338c50c9c8cd 269 /* Format the time reading */
jeannie9809 1:eabf219849ab 270 sprintf(text,"%d",ppg_single_sample);
jeannie9809 3:0da9235c9069 271
jeannie9809 0:338c50c9c8cd 272 /* Display time reading in 35px by 15px textbox at(x=55, y=40) */
jeannie9809 0:338c50c9c8cd 273 oled.TextBox((uint8_t *)text,55,15,35,15); //Increase textbox for more digits
jeannie9809 3:0da9235c9069 274 if (ppg_single_sample > 45) {
jeannie9809 1:eabf219849ab 275 sprintf(text,"%d; %.2f",SDNN, HF_LF);
jeannie9809 3:0da9235c9069 276
jeannie9809 0:338c50c9c8cd 277 /* Display time reading in 35px by 15px textbox at(x=55, y=40) */
jeannie9809 0:338c50c9c8cd 278 oled.TextBox((uint8_t *)text,55,55,35,15); //Increase textbox for more digits
jeannie9809 3:0da9235c9069 279 } else {
jeannie9809 0:338c50c9c8cd 280 sprintf(text,"wait HR");
jeannie9809 3:0da9235c9069 281
jeannie9809 0:338c50c9c8cd 282 /* Display time reading in 35px by 15px textbox at(x=55, y=40) */
jeannie9809 0:338c50c9c8cd 283 oled.TextBox((uint8_t *)text,55,55,35,15);
jeannie9809 0:338c50c9c8cd 284 }
jeannie9809 3:0da9235c9069 285
jeannie9809 0:338c50c9c8cd 286 Thread::wait(1000);
jeannie9809 3:0da9235c9069 287 }
jeannie9809 0:338c50c9c8cd 288 return 0;
jeannie9809 0:338c50c9c8cd 289 }
jeannie9809 0:338c50c9c8cd 290